CN211376315U - Insulating protective cover for lightning arrester pile head - Google Patents

Abstract

The utility model relates to an insulating protective cover for a lightning arrester pile head, which belongs to the technical field of electric protective covers and comprises a protective cover body and a sleeve body, wherein the axis of the protective cover body is intersected with the axis of the sleeve body to form a first vertical plane; the side wall of the protective cover body is symmetrically provided with first cutting seams in a first vertical plane, the first cutting seams extend from the connecting part of the protective cover body and the sleeve body to the bottom of the protective cover body, and the protective cover body is provided with a first mounting mechanism; the side wall of the bottom of the sleeve body is provided with a second cutting seam in the first vertical plane, the second cutting seam extends to the end part of the sleeve body from the joint of the sleeve body and the protection cover body, and the sleeve body is provided with a second mounting mechanism. This an insulating safety cover for arrester pile head sets up two first joint-cuts on the safety cover body, increases the angle that the safety cover body was broken off with the fingers and thumb, is convenient for install the safety cover body on arrester pile head porcelain cover, and insulating safety cover still has the advantage that uses stably moreover.

Description

Insulating protective cover for lightning arrester pile head

Technical Field

The utility model relates to an electric power protective sheath technical field, in particular to an insulating safety cover for arrester pile head.

Background

The insulating protective sleeve is made of silicon rubber materials, has the characteristics of high insulation, ageing resistance and high and low temperature resistance, and is used for power equipment terminal heads such as transformers, lightning arresters and outdoor switches. The insulating protective cover can effectively prevent the wiring terminals of small animals, sundries and power equipment from being lapped to cause short-circuit accidents.

At present, patent document with the publication number of CN206163212U discloses an insulating shield for a lightning arrester pile head, which comprises an insulating shield body, an insulating shield body sleeve, a lightning arrester pile head porcelain sleeve, a shield edge, a groove and a cylindrical enclosure, wherein the insulating shield body sleeve is sleeved on the lightning arrester pile head porcelain sleeve; the one end of terminal sheath is connected at the middle part of the direction of height of arrester pile head sheath and both are perpendicular settings, the outlet is seted up to the other end, an insulating shield body sets up a joint-cutting along the axial of terminal sheath on the lateral wall of terminal sheath bottom, the joint-cutting extends to the lateral wall of arrester pile head sheath, and link up to the bottom of arrester pile head sheath along the axial of arrester pile head sheath from the junction of terminal sheath and arrester pile head sheath, the both sides edge of joint-cutting extends to the outside respectively and forms and be the interval state on two flanks of flank and seted up a plurality of through-holes, set in the through-hole and be used for making the connecting pin that two flanks closely laminated. This insulating guard shield is through seting up the joint-cutting on insulating guard shield body to break off with fingers and thumb from the joint-cutting, make in the arrester pile head embedding arrester pile head sheath, but because there is the porcelain bushing on the arrester pile head, be provided with the cover edge on the arrester pile head sheath, the cover edge is inside to constitute the recess, and the joint-cutting of arrester pile head sheath is one, the angle of breaking off with fingers and thumb of arrester pile head sheath is limited, be not convenient for install arrester pile head sheath on arrester pile head porcelain bushing.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an insulating safety cover for arrester pile head sets up two first joint-cuts on the safety cover body, increases the angle that the safety cover body was broken off with the fingers and thumb, is convenient for install the safety cover body on arrester pile head porcelain bushing, and insulating safety cover still has the advantage of using stably moreover.

The above technical purpose of the present invention can be achieved by the following technical solutions:

an insulating protective cover for a lightning arrester pile head comprises a protective cover body and a sleeve body, wherein the protective cover body comprises an upper hollow protective cover part with an opening at the bottom end, a lower protective cover part extending and fixedly arranged at the bottom end of the upper protective cover part, and an expansion part fixedly arranged at the bottom end of the lower protective cover part and having a U-shaped cross section, the lower protective cover part is open at two ends and is arranged in a hollow manner, the opening end of the expansion part faces to the axis of the lower protective cover part, one end of the sleeve body is fixedly arranged on the outer peripheral surface of the upper protective cover part and is communicated with the interior of the sleeve body, and the axis of the protective cover body and the axis of the sleeve body are intersected and form a first plumb;

the side wall of the protective cover body is symmetrically provided with first cutting seams in a first vertical plane, the first cutting seams extend downwards to the bottom of the protective cover body from the joint of the protective cover body and the sleeve body, and the protective cover body is provided with a first mounting mechanism at the first cutting seams;

a second cutting seam is formed in the side wall of the bottom of the sleeve body in the first vertical plane and is communicated with the first cutting seam, the second cutting seam extends to the end part of the sleeve body from the joint of the sleeve body and the protective cover body to the direction far away from the protective cover body, and a second mounting mechanism is arranged at the second cutting seam of the sleeve body;

the first mounting mechanism comprises two first mounting flanges and a first fixing piece arranged between the two first mounting flanges, the two first mounting flanges are fixedly arranged at the first slit of the protective cover body respectively, and the two first mounting flanges are provided with through holes respectively;

the second installation mechanism comprises two second installation flanges and a second fixing piece arranged between the two second installation flanges, the two second installation flanges are fixedly arranged at the second joint cutting positions of the sleeve body respectively, and through holes are formed in the two second installation flanges respectively.

Through adopting the above-mentioned technical scheme, when installing insulating safety cover, break the safety cover body off with the fingers and thumb in two first joint departments, and make arrester pile head embedding safety cover originally internal, break the sleeve body off with the fingers and thumb in second joint department, and make the terminal embedding sleeve body, then fix two first installation turn-ups through first mounting, install the turn-ups through the second mounting with two seconds and fix, thereby realize insulating safety cover's installation, owing to set up two first joint-cuts on the safety cover body, increase the angle that the safety cover body broken off with the fingers and thumb, be convenient for install the safety cover body on arrester pile head porcelain cover, and insulating safety cover still has the stable advantage of use.

The utility model discloses further set up to: the side of safety cover body sets firmly firm body, the bottom of firm body intersects with the top of keeping away from the first kerf of sleeve body.

Through adopting above-mentioned technical scheme, firm body has increased the joint strength of safety cover body in first seam top department, reduces safety cover body bottom and takes place the tearing condition of safety cover body because of breaking off the angle too big off with the fingers and thumb, improves the stability that the safety cover body used.

The utility model discloses further set up to: the inside wall of safety cover body sets firmly firm strengthening rib, the bottom of firm strengthening rib is crossing with the top of keeping away from the first joint-cutting of sleeve body.

Through adopting above-mentioned technical scheme, firm strengthening rib has increased the joint strength of safety cover body in first seam top department, reduces safety cover body bottom and takes place the tearing condition of safety cover body because of breaking off the angle too big off with the fingers and thumb, improves the stability that the safety cover body used.

The utility model discloses further set up to: the first fixing piece comprises an inserting portion, a limiting portion fixedly arranged at one end of the inserting portion, a clamping portion fixedly arranged at the other end of the inserting portion in an extending mode, and a pointed portion fixedly arranged at the clamping portion and far away from one end of the inserting portion, the clamping portion is arranged in a circular truncated cone shape, and the area of the end face, close to one end of the inserting portion, of the clamping portion is smaller than that of the end face of the other end of the clamping portion.

Through adopting above-mentioned technical scheme, when two first installation turn-ups are in fixed state, joint portion is located two first installation turn-ups's perforation, spacing portion and one of them first installation turn-ups's side are inconsistent, joint portion and the first installation turn-ups's of another side are inconsistent, thereby realize two first installation turn-ups fixed, make the use of first mounting simple and convenient, when making two first installation turn-ups separation, the spacing portion of pulling, and make first mounting and two first installation turn-ups separation, owing to set up joint portion between grafting portion and prong, two first installation turn-ups's separation and dismantlement have been realized, improve the suitability of first mounting.

The utility model discloses further set up to: the second fixing piece and the first fixing piece are identical in structure.

Through adopting above-mentioned technical scheme, make the processing of second mounting simple and convenient, when two second installation turn-ups are in fixed state, the joint portion of second mounting is located two second installation turn-ups's perforation, and spacing portion is inconsistent with one of them second installation turn-ups's side, and joint portion is inconsistent with another one second installation turn-ups's side, makes the use of second mounting simple and convenient.

The utility model discloses further set up to: and a first clamping assembly is arranged between the two first installation flanges, and a second clamping assembly is arranged between the two second installation flanges.

Through adopting above-mentioned technical scheme, first joint subassembly has increased the fixed stability of two first installation turn-ups, and second joint subassembly has increased the fixed stability of two second installation turn-ups.

The utility model discloses further set up to: the first clamping assembly comprises two first clamping body parts fixedly arranged on the first installation flanging respectively and a first clamping piece arranged between the two first clamping body parts, the cross section of each first clamping body part is arranged in an L shape, the two first clamping body parts are combined to form an inverted T shape, each first clamping piece comprises a second clamping body part, and the second clamping body part is provided with a clamping groove matched with the two first clamping body parts;

the second clamping assembly comprises two third clamping body parts and a second clamping piece, the third clamping body parts are fixedly arranged on the second installation flange respectively, the second clamping piece is arranged between the two third clamping body parts, the cross section of each third clamping body part is in an L-shaped arrangement, the two third clamping body parts are combined to form an inverted T shape, and the structure of the second clamping piece is the same as that of the first clamping piece.

By adopting the technical scheme, when the first clamping assembly is in a use state, the first clamping body parts of the two first installation flanges are positioned in the clamping groove of the first clamping piece, and the second clamping body part plays a role in limiting and fixing the two first clamping body parts, so that the stability of the two first installation flanges is improved; when the second clamping assembly is in a use state, the third clamping body parts of the two second installation flanges are located in the clamping grooves of the second clamping piece, the second clamping body parts play a role in limiting and fixing the two third clamping body parts, and the stability of the two second installation flanges is improved.

The utility model discloses further set up to: two sides of the second clamping body part are respectively and fixedly provided with a reinforcing part with a U-shaped cross section, the opening end of the reinforcing part faces towards the clamping groove, the side of the first installation flanging, which is far away from the first plumb surface, is provided with a first splicing groove, and the side of the second installation flanging, which is far away from the first plumb surface, is provided with a second splicing groove.

By adopting the technical scheme, when the first clamping piece is in an installation state, one end, far away from the second clamping body part, of the reinforcing part of the first clamping piece is positioned in the first inserting groove, the reinforcing part plays a role in protecting the first fixing piece, the service life of the first fixing piece is prolonged, and meanwhile, the stability of the first clamping piece and the stability of the two first installation flanges are improved through the mutual matching of the reinforcing part of the first clamping piece and the first inserting groove; when second joint spare is in the installation state, the rib of second joint spare is located second grafting recess in keeping away from second joint this somatic part one end, and the rib plays the effect of protection to the second mounting, improves the life of second mounting, and the turn-ups stability is installed to second joint spare, two seconds to the rib, the second of simultaneously through the second joint spare mutually support between the recess.

The utility model discloses further set up to: the bottom of the expansion part is fixedly provided with a hollow stabilizing part with two open ends.

Through adopting above-mentioned technical scheme, improve safety cover body installation, stability of using.

The utility model discloses further set up to: the sleeve body comprises a hollow sleeve part with two open ends and a contraction part extending and fixedly arranged at one end of the sleeve part far away from the protective cover body, and the contraction part is hollow and has two open ends.

Through adopting above-mentioned technical scheme, improve sleeve body installation, stability of using.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the utility model discloses an insulating safety cover for arrester pile head sets up two first joint-cuts on the safety cover body, increases the angle that the safety cover body was broken off with the fingers and thumb, is convenient for install the safety cover body on arrester pile head porcelain cover, and insulating safety cover still has the advantage that uses stably moreover.

2. Set up firm body and firm strengthening rib on the safety cover body, reduce safety cover body bottom and take place the torn condition of safety cover body because of breaking off the angle too big off with the fingers and thumb, improve the stability that the safety cover body used.

3. Through mutually supporting between grafting portion, spacing portion, joint portion, the prong, not only realized two first installation turn-ups fixed, but also realized two first installation turn-ups dismantlements, improved the suitability of first mounting.

4. The first clamping assembly is arranged between the two first installation flanges, and the first clamping body part and the first clamping piece are matched with each other, so that the fixing stability of the two first installation flanges is improved, and the service life of the first fixing piece is prolonged; set up second joint subassembly between two second installation turn-ups, through mutually supporting between third joint body part, the second joint spare, improve the fixed stability of two second installation turn-ups, increase the life of second mounting moreover.

Drawings

FIG. 1 is a schematic structural view of an embodiment;

fig. 2 is a partial sectional view for illustrating the first slit;

fig. 3 is a partial sectional view for illustrating the second slit;

FIG. 4 is a schematic view showing the structure of the first mounting mechanism and the second mounting mechanism;

FIG. 5 is a schematic view of a first fastener;

FIG. 6 is a schematic view showing the first and second clamping assemblies;

FIG. 7 is an enlarged view of portion A of FIG. 6;

fig. 8 is an enlarged view of a portion B in fig. 6.

In the figure, 1, a protective cover body; 11. an upper sheath portion; 12. a lower sheath portion; 13. an expansion section; 131. a connecting body portion; 132. an upper connecting portion; 133. a lower connecting portion; 14. a stabilizing section; 2. a sleeve body; 21. a sleeve portion; 22. a constriction; 3. a first kerf; 4. a first mounting mechanism; 41. a first mounting flange; 411. a first insertion groove; 42. a first fixing member; 421. a plug-in part; 422. a limiting part; 423. a clamping part; 424. a tip portion; 43. a first clamping assembly; 431. a first card body part; 432. a first clip member; 4321. a second card body part; 4322. clamping the groove; 4323. a reinforcing portion; 5. a second kerf; 6. a second mounting mechanism; 61. second installation flanging; 611. a second insertion groove; 62. a second fixing member; 63. a second clamping assembly; 631. a third clamping body part; 632. a second clip member; 7. stabilizing the body; 8. and (5) stabilizing the reinforcing ribs.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

An insulating protective cover for a lightning arrester pile head is made of silicon rubber materials as shown in figures 1 and 2. Insulating safety cover includes safety cover body 1, and 1 integrated into one piece of safety cover body sets up, and 1 cover of safety cover body is established on arrester pile head porcelain cover. The protective cover body 1 comprises an upper protective cover part 11, and the upper protective cover part 11 is arranged in a hollow round table shape with an opening at the bottom end. The bottom end of the upper sheath part 11 extends and is fixedly provided with a lower sheath part 12, and the lower sheath part 12 is in a hollow cylindrical arrangement with openings at two ends. The bottom end of the lower sheath portion 12 is fixedly provided with an expansion portion 13, the cross section of the expansion portion 13 is in a U-shaped arrangement, and the opening end of the expansion portion 13 faces the axis of the lower sheath portion 12. The bottom end of the expanding part 13 is fixedly provided with a stabilizing part 14, and the stabilizing part 14 is in a hollow cylindrical arrangement with two open ends.

As shown in fig. 2 and 3, the expanding portion 13 includes a connecting body portion 131, an axis of the connecting body portion 131 and an axis of the lower sheath portion 12 coincide, and a diameter of the connecting body portion 131 is larger than a diameter of the lower sheath portion 12. The top end of the connecting body 131 and the bottom end of the lower sheath portion 12 are fixedly provided with an upper connecting portion 132, the upper connecting portion 132 is perpendicular to the lower sheath portion 12, and the connecting portion between the upper connecting portion 132 and the connecting body 131 is rounded. A lower connecting part 133 is fixedly arranged between the bottom end of the connecting body part 131 and the top end of the stabilizing part 14, the lower connecting part 133 is parallel to the upper connecting part 132, and the connecting part of the lower connecting part 133 and the connecting body part 131 is arranged in a round-off manner.

As shown in fig. 1 and 2, a sleeve body 2 is disposed on a side surface of the upper sheath portion 11, and the sleeve body 2 is integrally formed, and the sleeve body 2 is sleeved on the terminal. The sleeve body 2 comprises a sleeve portion 21, the sleeve portion 21 is in a hollow cylindrical arrangement with two open ends, the axis of the sleeve portion 21 is perpendicular to the axis of the upper sheath portion 11, and one end of the sleeve portion 21 along the axis direction is fixedly arranged on the outer peripheral surface of the upper sheath portion 11 and communicated with the inside of the sleeve portion. The other end of the sleeve portion 21 extends and is fixedly provided with a contraction portion 22, the contraction portion 22 is in a hollow truncated cone shape with two open ends, and the diameter of one end, close to the sleeve portion 21, of the contraction portion 22 is larger than that of the other end.

As shown in fig. 2 and 3, the axis of the boot body 1 and the axis of the sleeve body 2 intersect, and a first vertical plane is formed between the axis of the boot body 1 and the axis of the sleeve body 2. The side wall of the protection cover body 1 is symmetrically provided with first slits 3 in the first vertical plane, namely the number of the first slits 3 is two. The first slit 3 extends downward from the junction of the boot body 1 and the sleeve body 2 to the bottom of the boot body 1. The protective cover body 1 is provided with first mounting mechanisms 4 at the two first slits 3, respectively. The lateral wall of 2 bottoms of sleeve body has seted up second joint-cutting 5 on first plumb face, and second joint-cutting 5 extends to the tip of sleeve body 2 to keeping away from 1 direction of safety cover body from the junction of sleeve body 2 and safety cover body 1, second joint-cutting 5 and the 3 intercommunications of first joint-cutting that are close to 2 one ends of sleeve body. The sleeve body 2 is provided with a second mounting mechanism 6 at the second slit 5.

As shown in fig. 2 and 3, the side surface of the protection cover body 1 is further provided with a stabilizing body 7, the stabilizing body 7 is in a rectangular shape, one end of the stabilizing body 7 is fixedly arranged on the outer peripheral surface of the protection cover body 1, and the bottom end of the stabilizing body 7 is intersected with the top end of the first slit 3 far away from the sleeve body 2. The inside wall of safety cover body 1 has set firmly firm strengthening rib 8 along its circumference direction, and firm strengthening rib 8 is ring shape setting, and the bottom of firm strengthening rib 8 and the top of two first seams 3 intersect respectively, and firm strengthening rib 8 is close to the one end of sleeve body 2 and has seted up the incision, the incision with be close to the 3 intercommunications of first seam of 2 one ends of sleeve body.

As shown in fig. 4, the first mounting mechanism 4 includes two first mounting flanges 41 disposed at the first slit 3, the two first mounting flanges 41 are respectively and fixedly disposed at two ends of the protective cover body 1 along the circumferential direction thereof, and the first mounting flanges 41 are perpendicular to the protective cover body 1. Four first fixing pieces 42 are arranged between the two first mounting flanges 41, and the four first fixing pieces 42 are arranged at intervals along the length direction of the first mounting flanges 41.

As shown in fig. 4 and 5, the first fixing member 42 includes a socket 421, and the socket 421 is configured as a cylindrical rod. One end of the inserting part 421 is fixedly provided with a limiting part 422, the limiting part 422 is a circular plate, and the diameter of the limiting part 422 is larger than that of the inserting part 421. The other end of grafting portion 421 extends to set firmly joint portion 423, and joint portion 423 is the setting of round platform type, and the area of the terminal surface that joint portion 423 is close to grafting portion 421 one end is less than the area of the terminal surface of the other end. One end of the clamping portion 423 away from the inserting portion 421 is extended and fixed with a tip portion 424, and the tip portion 424 is arranged in a conical shape. The two first mounting flanges 41 are respectively provided with a through hole adapted to the inserting portion 421. When the two first mounting flanges 41 are in a fixed state, the clamping portion 423 is located in the through holes of the two first mounting flanges 41, the limiting portion 422 abuts against the side surface of one of the first mounting flanges 41, and the clamping portion 423 abuts against the side surface of the other first mounting flange 41.

As shown in fig. 6 and 7, a first snap-fit assembly 43 is further disposed between the two first mounting flanges 41. The first clip assembly 43 includes two first clip body portions 431 extending and fixed on one end of the first mounting flange 41 far away from the protection cover body 1, and the first clip body portions 431 are in one-to-one correspondence with the two first mounting flanges 41. The cross section of the first clip body part 431 is in an L-shaped arrangement, the end face of one end, away from the first mounting flange 41, of the first clip body part 431 is an arc face, and the bending direction of the arc face of the first clip body part 431 faces the first clip body part 431. The two first card body portions 431 combine to form an inverted T-shape. A first clamping piece 432 is arranged between the two first clamping body parts 431, and the first clamping piece 432 is arranged along the length direction of the first installation flanging 41. The first clip member 432 includes a second clip body portion 4321, and the second clip body portion 4321 is provided with a clip groove 4322 along a length direction thereof, the clip groove 4322 being adapted to the two first clip body portions 431. Two side surfaces of the second clamping body 4321 are respectively and fixedly provided with two reinforcing parts 4323, that is, the number of the reinforcing parts 4323 is two, the cross section of the reinforcing part 4323 is U-shaped, and the opening direction of the reinforcing part 4323 faces the clamping groove 4322. The reinforcing portion 4323 includes a first connecting portion, a second connecting portion is fixedly disposed between one end of the first connecting portion and the second clamping body portion 4321, the second connecting portion is perpendicular to the first connecting portion, and the second connecting portion is perpendicular to the second clamping body portion 4321. The other end of the first connecting part is vertically and fixedly provided with a third connecting part. The side surfaces of the two first mounting flanges 41 far away from the first vertical plane are respectively provided with a first inserting groove 411 matched with the third connecting part. When the first clip assembly 43 is in use, the first clip body 431 is located in the clip groove 4322, the first fixing member 42 is located between the two reinforcing portions 4323, and the third connecting portion is located in the first inserting groove 411.

As shown in fig. 4 and 5, the second mounting mechanism 6 includes two second mounting flanges 61 disposed at the second slit 5, the two second mounting flanges 61 are respectively and fixedly disposed at two ends of the sleeve body 2 along the circumferential direction thereof, and the second mounting flanges 61 are perpendicular to the sleeve body 2. The second mounting flange 61 located on the same side of the first vertical plane is fixedly connected to the first mounting flange 41. Two second fixing pieces 62 are arranged between the two second mounting flanges 61, the two second fixing pieces 62 are arranged at intervals along the length direction of the second mounting flanges 61, and the second fixing pieces 62 and the first fixing pieces 42 have the same structure. The two second mounting flanges 61 are respectively provided with through holes matched with the clamping portions 423. When the two second mounting flanges 61 are in a fixed state, the clamping portion of the second fixing member 62 is located in the through holes of the two second mounting flanges 61, the limiting portion of the second fixing member 62 is abutted against the side surface of one of the second mounting flanges 61, and the clamping portion of the second fixing member 62 is abutted against the side surface of the other second mounting flange 61.

As shown in fig. 6 and 8, a second clamping assembly 63 is further disposed between the two second mounting flanges 61. The second clamping assembly 63 comprises two third clamping body parts 631 extending and fixedly arranged at the second mounting flange 61 and far away from one end of the sleeve body 2, and the third clamping body parts 631 correspond to the two second mounting flanges 61 one to one. The cross section of the third fastening body 631 is L-shaped, the end surface of the third fastening body 631 away from the second mounting flange 61 is an arc surface, and the arc surface of the third fastening body 631 faces the third fastening body 631. The two third catching body portions 631 are combined to form an inverted T shape. A second clamping member 632 is disposed between the two third clamping body portions 631, the second clamping member 632 is disposed along the length direction of the first mounting flange 41, and the second clamping member 632 and the first clamping member 432 have the same structure. The second clamping piece 632 is fixedly connected with the first clamping piece 432, and the side surfaces of the two second installation flanges 61, which are far away from the first vertical surface, are respectively provided with a second inserting groove 611 matched with the third connecting part. When the second card assembly 63 is in a use state, the third card body 631 is located in the card-connecting groove of the second card member 632, the second fixing member 62 is located between two reinforcing portions of the second card member 632, and the third connecting portion of the second card member 632 is located in the second inserting groove 611.

When the insulating protective cover is installed, the protective cover body 1 is broken at the two first slits 3 to enable the lightning arrester pile heads to be embedded into the protective cover body 1, the lightning arrester pile head porcelain sleeve is positioned in the expansion part 13, the sleeve body 2 is broken at the second slits 5, the binding posts are embedded into the sleeve body 2, the two first installation flanges 41 are in contact with each other, the two second installation flanges 61 are in contact with each other, the two first installation flanges 41 are fixed through the first fixing part 42, the two second installation flanges 61 are fixed through the second fixing part 62, then the first clamping part 432 is installed on the two first clamping body parts 431, the third connecting part of the first clamping part 432 extends into the first inserting groove 411, the second clamping part 632 is installed on the two third clamping body parts 631, the third connecting part of the second clamping part 632 extends into the second inserting groove 611, thereby realizing the installation of the insulation protection cover. Because set up two first seams 3 on the safety cover body 1, increase the angle that the safety cover body 1 was broken off with the fingers and thumb, be convenient for install safety cover body 1 on arrester pile head porcelain bushing. Meanwhile, the stable body 7 and the stable reinforcing ribs 8 are arranged on the protective cover body 1, so that the situation that the protective cover body 1 is torn due to the fact that the breaking angle of the bottom of the protective cover body 1 is too large is reduced, and the use stability of the protective cover body 1 is improved; the clamping portion 423 is arranged between the inserting portion 421 and the pointed portion 424 of the first fixing member 42, so that the two first mounting flanges 41 are fixed, the two first mounting flanges 41 are detached, and the applicability of the first fixing member 42 is improved; through set up first joint subassembly 43 between two first installation turn-ups 41, improved the fixed stability of two first installation turn-ups 41, set up second joint subassembly 63 between two second installation turn-ups 61, improved the fixed stability of two second installation turn-ups 61, make insulating safety cover have the advantage that uses stably.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims (10)

1. The utility model provides an insulating safety cover for arrester pile head which characterized in that: the protective cover comprises a protective cover body (1) and a sleeve body (2), wherein the protective cover body (1) comprises an upper protective cover part (11) with an opening at the bottom end and a hollow cavity, a lower protective cover part (12) extending and fixedly arranged at the bottom end of the upper protective cover part (11), and an expansion part (13) fixedly arranged at the bottom end of the lower protective cover part (12) and with a U-shaped cross section, the lower protective cover part (12) is open at two ends and is arranged in a hollow mode, the open end of the expansion part (13) faces to the axis of the lower protective cover part (12), one end of the sleeve body (2) is fixedly arranged on the outer peripheral surface of the upper protective cover part (11) and is communicated with the inner part of the sleeve body, and the axis of the protective cover body (1) and the axis of the sleeve body (;

the side wall of the protective cover body (1) is symmetrically provided with first cutting seams (3) in a first vertical plane, the first cutting seams (3) extend downwards to the bottom of the protective cover body (1) from the joint of the protective cover body (1) and the sleeve body (2), and the protective cover body (1) is provided with a first mounting mechanism (4) at the first cutting seams (3);

a second cutting seam (5) is formed in the side wall of the bottom of the sleeve body (2) in a first vertical plane, the second cutting seam (5) is communicated with the first cutting seam (3), the second cutting seam (5) extends to the end of the sleeve body (2) from the joint of the sleeve body (2) and the protection cover body (1) to the direction far away from the protection cover body (1), and a second mounting mechanism (6) is arranged on the sleeve body (2) at the second cutting seam (5);

the first mounting mechanism (4) comprises two first mounting flanges (41) and a first fixing piece (42) arranged between the two first mounting flanges (41), the two first mounting flanges (41) are fixedly arranged at the first cutting seam (3) of the protective cover body (1) respectively, and the two first mounting flanges (41) are respectively provided with a through hole;

the second installation mechanism (6) comprises two second installation flanges (61) and a second fixing piece (62) arranged between the two second installation flanges (61), the two second installation flanges (61) are fixedly arranged at the position of the sleeve body (2) at the second cutting joint (5) respectively, and the two second installation flanges (61) are provided with through holes respectively.

2. The insulating protective cover for the arrester pile head according to claim 1, characterized in that: the side of safety cover body (1) has set firmly firm body (7), the bottom of firm body (7) is crossing with the top of keeping away from first kerf (3) of sleeve body (2).

3. The insulating protective cover for the arrester pile head according to claim 1, characterized in that: the inside wall of safety cover body (1) has set firmly firm strengthening rib (8), the bottom of firm strengthening rib (8) is crossing with the top of keeping away from first kerf (3) of sleeve body (2).

4. The insulating protective cover for the arrester pile head according to claim 1, characterized in that: first mounting (42) including grafting portion (421), set firmly spacing portion (422) in grafting portion (421) one end, extend and set firmly joint portion (423) at the grafting portion (421) other end, set firmly prong portion (424) of keeping away from grafting portion (421) one end in joint portion (423), joint portion (423) are the setting of round platform type, the area that the terminal surface of grafting portion (421) one end is close to in joint portion (423) is less than the area of the terminal surface of the other end.

5. The insulating protective cover for the arrester pile head according to claim 4, characterized in that: the second fixing piece (62) and the first fixing piece (42) are identical in structure.

6. The insulating protective cover for the arrester pile head according to claim 1, characterized in that: a first clamping assembly (43) is arranged between the two first installation flanges (41), and a second clamping assembly (63) is arranged between the two second installation flanges (61).

7. The insulating protective cover for the arrester pile head according to claim 6, characterized in that: the first clamping assembly (43) comprises two first clamping body parts (431) fixedly arranged on the first installation flanging (41) respectively and a first clamping piece (432) arranged between the two first clamping body parts (431), the cross section of each first clamping body part (431) is arranged in an L shape, the two first clamping body parts (431) are combined to form an inverted T shape, each first clamping piece (432) comprises a second clamping body part (4321), and each second clamping body part (4321) is provided with a clamping groove (4322) matched with the two first clamping body parts (431);

second joint subassembly (63) include that two set firmly third joint body portion (631) on second installation turn-ups (61) respectively, set up second joint spare (632) between two third joint body portions (631), the transversal personally submitting L shape setting of third joint body portion (631) just two third joint body portion (631) combination forms the shape of falling T, the structure of second joint spare (632) is the same with the structure of first joint spare (432).

8. The insulating protective cover for the arrester pile head according to claim 7, characterized in that: two side faces of the second clamping body part (4321) are respectively and fixedly provided with a reinforcing part (4323) with a U-shaped cross section, the open end of the reinforcing part (4323) faces towards the clamping groove (4322), the side face, away from the first plumb face, of the first installation flanging (41) is provided with a first inserting groove (411), and the side face, away from the first plumb face, of the second installation flanging (61) is provided with a second inserting groove (611).

9. The insulating protective cover for the arrester pile head according to claim 1, characterized in that: the bottom end of the expansion part (13) is fixedly provided with a hollow stable part (14) with two open ends.

10. The insulating protective cover for the arrester pile head according to claim 1, characterized in that: the sleeve body (2) comprises a hollow sleeve part (21) with two open ends and a contraction part (22) extending and fixedly arranged at one end of the sleeve part (21) far away from the protective cover body (1), and the contraction part (22) is hollow and has two open ends.

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